chore: recovery checkpoint - v3.0 API successfully recovered

CRITICAL CHECKPOINT - DO NOT PUSH TO GITHUB

Recovery Status:
- Successfully recovered brainy.ts from compiled JavaScript
- All core v3.0 API methods functional (add, get, update, delete, relate, find, etc.)
- Neural subsystem intact (562KB embedded patterns, NLP working)
- Augmentation pipeline operational (20+ augmentations)
- HNSW clustering system complete
- Triple Intelligence compiled (needs constructor fix)
- Test suite validates functionality

Changes preserved:
- 898 files with changes from last 3 days
- 144,475 insertions
- All augmentation improvements
- All test coverage enhancements
- Complete v3.0 feature set

This is a LOCAL checkpoint only - contains recovered work after corruption incident.
Created backup in .backups/brainy-full-20250910-151314.tar.gz

Branch: recovery-checkpoint-20250910-151433
Date: Wed Sep 10 03:18:04 PM PDT 2025

.recovery-workspace/dist-backup-20250910-141917/utils/nodeVersionCheck.d.ts

@@ -0,0 +1,24 @@
+/**
+ * Node.js Version Compatibility Check
+ *
+ * Brainy requires Node.js 22.x LTS for maximum stability with ONNX Runtime.
+ * This prevents V8 HandleScope locking issues in worker threads.
+ */
+export interface VersionInfo {
+    current: string;
+    major: number;
+    isSupported: boolean;
+    recommendation: string;
+}
+/**
+ * Check if the current Node.js version is supported
+ */
+export declare function checkNodeVersion(): VersionInfo;
+/**
+ * Enforce Node.js version requirement with helpful error messaging
+ */
+export declare function enforceNodeVersion(): void;
+/**
+ * Soft warning for version issues (non-blocking)
+ */
+export declare function warnNodeVersion(): boolean;